– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Fri 08 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Fri 08 May Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Fri 08 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 10°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | |  | | | | | | | | | | |
cloudy | rain shwrs | clear | clear | some clouds | some clouds | cloudy | some clouds | rain shwrs | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | clear | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | 0.1 | — | — | — | — | — | — | 0.4 | — | — | — | — | — | — | — | — | — | |
max °C | 12 | 13 | 11 | 14 | 17 | 14 | 14 | 16 | 11 | 13 | 18 | 15 | 21 | 24 | 20 | 22 | 24 | 19 |
min °C | 10 | 12 | 7 | 10 | 17 | 11 | 13 | 15 | 8 | 10 | 17 | 13 | 17 | 23 | 17 | 19 | 23 | 14 |
9 | 12 | 7 | 10 | 17 | 11 | 13 | 15 | 8 | 10 | 17 | 13 | 17 | 23 | 17 | 19 | 23 | 14 | |
2350 | 2200 | 2550 | 3250 | 3200 | 3000 | 2650 | 2350 | 2200 | 2750 | 3200 | 3450 | 3650 | 3750 | 3750 | 3600 | 3550 | 3450 | |
Cloud base (m) | 750 | 1700 | 1950 | 9050 | 6600 | 6500 | 5400 | 2300 | 2150 | 800 | 6550 | 6400 | 7100 | 6300 | 7050 | 6550 | 7050 | 8200 |
 | 5:37 | — | — | 5:35 | — | — | 5:33 | — | — | 5:31 | — | — | 5:31 | — | — | 5:28 | — | — |
 | — | — | 8:31 | — | — | 8:34 | — | — | 8:35 | — | — | 8:36 | — | — | 8:37 | — | — | 8:38 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Very mild (max 17°C on Sat afternoon, min 7°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 24°C on Tue afternoon, min 10°C on Mon morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.